BlogArena

General blog about anything and everything of everyday's life.

20. May 2019

February 26, 2014
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NASA Responds to California’s Evolving Drought

NASA is partnering with the California Department of Water Resources (DWR) to develop and apply new technology and products to better manage and monitor the state’s water resources and respond to its ongoing drought. NASA scientists, DWR water managers, university … Continue reading

January 9, 2014
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Ancient sharks reared young in prehistoric river-delta nursery

ANN ARBOR — Like salmon in reverse, long-snouted Bandringa sharks migrated downstream from freshwater swamps to a tropical coastline to spawn 310 million years ago, leaving behind fossil evidence of one of the earliest known shark nurseries. That’s the surprising … Continue reading

May 28, 2013
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The Black Sea is a Goldmine of Ancient Genetic Data

New Study Reconstructs the Past Ocean ‘Paleome’ When Woods Hole Oceanographic Institution (WHOI) marine paleoecologist Marco Coolen was mining through vast amounts of genetic data from the Black Sea sediment record, he was amazed about the variety of past plankton … Continue reading

May 9, 2013
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An Ancient Biosonar Sheds New Light on the Evolution of Echolocation in Toothed Whales

Some thirty million years ago, Ganges river dolphins diverged from other toothed whales, making them one of the oldest species of aquatic mammals that use echolocation, or biosonar, to navigate and find food. This also makes them ideal subjects for … Continue reading

October 10, 2012
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Scientists Uncover Vast Differences in Earth’s Polar Ocean Microbial Communities

ANN ARBOR— An international team of scientists, including a University of Michigan graduate student, has demonstrated that a clear difference exists between the marine microbial communities in the Southern and Arctic oceans, contributing to a better understanding of the biodiversity … Continue reading

August 7, 2012
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Yale Study Reveals New Family Tree for Ray-Finned Fish

The most common lineages of fish found today in oceans, lakes, and rivers evolved about the same time as mammals and birds, a new Yale University-led study shows. The comparative genetic analysis of more than 200 fish species, reported the … Continue reading

January 6, 2012
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Russian River Water Unexpected Culprit Behind Arctic Freshening

A hemispherewide phenomenon – and not just regional forces – has caused record-breaking amounts of freshwater to accumulate in the Arctic’s Beaufort Sea. Frigid freshwater flowing into the Arctic Ocean from three of Russia’s mighty rivers was diverted hundreds of … Continue reading

May 12, 2011
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Aquarius to Illuminate Links Between Salt, Climate

When NASA’s salt-seeking Aquarius instrument ascends to the heavens this June, the moon above its launch site at California’s Vandenberg Air Force Base won’t be in the seventh house, and Jupiter’s latest alignment with Mars will be weeks in the … Continue reading